<template>
  <aside class="site-sidebar" :class="`site-sidebar--${$store.state.sidebarLayoutSkin}`">
    <div class="site-sidebar__inner">
      <el-menu
        :default-active="$store.state.menuActiveName"
        :collapse="$store.state.sidebarFold"
        :collapseTransition="false"
        class="site-sidebar__menu">
        <el-menu-item index="home" @click="$router.push({ name: 'home' })">
          <icon-svg name="shouye" class="site-sidebar__menu-icon"></icon-svg>
          <span slot="title">{{ $t('menu.homepage') }}</span>
        </el-menu-item>
        <sub-menu
          v-for="menu in menuList"
          :key="menu.id"
          :menu="menu"
          :dynamicMenuRoutes="dynamicMenuRoutes">
        </sub-menu>
      </el-menu>
    </div>
  </aside>
</template>

<script>
  import SubMenu from './main-sidebar-sub-menu'
  import { isURL } from '@/utils/validate'
  export default {
    data () {
      return {
        menuList: [],
        dynamicMenuRoutes: []
      }
    },
    components: {
      SubMenu
    },
    watch: {
      $route: 'routeHandle'
    },
    created () {
      this.menuList = window.SITE_CONFIG['menuList'] || []
      this.dynamicMenuRoutes = window.SITE_CONFIG['dynamicMenuRoutes'] || []
      this.routeHandle(this.$route)
    },
    methods: {
      // 路由操作
      routeHandle (route) {
        if (route.meta.isTab) {
          // tab选中, 不存在先添加
          var tab = this.$store.state.mainTabs.filter(item => item.name === route.name)[0]
          if (!tab) {
            if (route.meta.isDynamic) {
              route = this.dynamicMenuRoutes.filter(item => item.name === route.name)[0]
              if (!route) {
                return console.error('未能找到可用标签页!')
              }
            }
            tab = {
              menuId: route.meta.menuId || route.name,
              name: route.name,
              title: route.meta.title,
              type: isURL(route.meta.iframeUrl) ? 'iframe' : 'module',
              iframeUrl: route.meta.iframeUrl || ''
            }
            this.$store.state.mainTabs = this.$store.state.mainTabs.concat(tab)
          }
          this.$store.state.menuActiveName = tab.menuId + ''
          this.$store.state.mainTabsActiveName = tab.name
        }
      }
    }
  }
</script>
